Finding the Fourth Proportional to 67,714.48, 101,589 and 42,930.64

Step by Step Solution

1. Step 1: Write the proportion equation
   67,714.48 : 101,589 = 42,930.64 : x
2. Step 2: Convert to fraction form
   67,714.48/101,589 = 42,930.64/x
3. Step 3: Cross multiply
   67,714.48x = 101,589 × 42,930.64
4. Step 4: Simplify right side
   67,714.48x = 4,361,280,786.96
5. Step 5: Solve for x
   x = 4,361,280,786.96/67,714.48
6. Step 6: Final answer
   x = 64,406.92